Jvc-MCR-434-U-Service-Manual 电路图 维修手册.pdf

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1、SERVICE MANUAL MC-R434U DVD-RAM/R DRIVE No. HM001 Dec. 2003 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD. This unit is the DVD-RAM/R drive designed specially for use with the JVC MC-9000 series CD/DVD Library. Printed in Japan SPECIFICATIONS 100% recycled paper MC-R434U MC-R434UNo. HMOO1 R R VICTOR C

2、OMPANY OF JAPAN, LIMITED is a registered Trademark owned by VICTOR COMPANY OF JAPAN, LTD. is a registered Trademark in Japan, the U.S.A., the U.K. and many other countries. R R R ? Interface Ultra 2 SCSI (80 Mbytes/s) ? Data transmission rate Sustained(when the maximum sync transfer rate of the host

3、 adapter is set to 80 Mbytes/s) DVD-RAM4.15 Mbytes/s (3X max.) (Single-sided 4.7 GB or double-sided 9.4 GB) DVD-RAM1.38 Mbytes/s (1X) (Single side 2.6 GB, read only) DVD-R5.44 Mbytes/s (4X max.) (write) (Single-sided 4.7 GB or double-sided 9.4 GB) DVD-R8.31 Mbytes/s (6X max.) (read) (Single-sided 4.

4、7 GB or double-sided 9.4 GB) DVD-ROM16 Mbytes/s (Single Layer, 12X max.: CAV) CD-ROM1.5 Mbytes/s to 4.8 Mbytes/s (32X max.: CAV) CD-RMax. 1.8 Mbytes/s (write) (12X max.) CD-RWMax. 1.2 Mbytes/s (write) (8X max.) Burst(when the maximum sync transfer rate of the host adapter is set to 80 Mbytes/s) Max.

5、 80 Mbytes/s (sync transfer) ? Average access time (1/3 stroke) DVD-R (4.7 GB for General): 145 ms DVD-ROM (Single Layer): 130 ms DVD-RAM (4.7 GB): 185 ms DVD-RAM (2.6 GB): 195 ms CD-ROM: 150 ms * The above values were measured using JVCs measuremethods. ? Buffer capacity2 Mbytes ? Additional write

6、count (DVD-R for General, 4.7 GB) 500 times typical (when a disc and a drive are combined) 15 times typical (when a disc and multiple drives are com bined) ? Dimensions171 mm(W) x 47.5 mm(H) x 240 mm(D) ? Weight1.5 kg ? Accessories Drive locking screw .x 2 ? Applicable discs DVD-R 4.7 GB (Ver. 2.0 f

7、or General Use) Recommended discs: Single-sided 4.7 GB Matsushita Electric Corp. Mitsubishi Kagaku Media Corp. Hitachi Maxell Ltd. TDK Corp. Taiyo Yuden Co., Ltd. Recommended discs: Double-sided 9.4 GB Mitsubishi Kagaku Media Corp. Hitachi Maxell Ltd. DVD-R 3.95 GB (Ver. 1.0, Disc-at-once, read only

8、) DVD-ROM DVD-RAM (Ver. 2.1, single-sided 4.7 GB, double- sided 9.4 GB) Matsushita Electric Corp. Hitachi Maxell Ltd. DVD-RAM (Ver. 1.0, single-sided 2.6 GB, read only) CD-ROM (Mode-1, Mode-2, etc.) CD-R Ricoh Company Ltd. Mitsubishi Kagaku Media Corp. Hitachi Maxell Ltd. TDK Corp. Taiyo Yuden Co.,

9、Ltd. Mitsui Chemicals, Inc. CD-RW Ricoh Company Ltd. Mitsubishi Kagaku Media Corp. ?Design and specifications are subject to change without notice. * Note 1 : It is recommended to write and read the DVD-R, DVD-RAM, CD-R and CD-RW discs using the drives of the same model. If drives of dif- ferent mod

10、els are used in write and read, discs of certain manu- facturers or production lots may not manifest the full performance. * Note 2 : Only discs with a diameter of 120 mm are applicable. * Note 3 : Use DVD-R, CD-R and CD-RW discs that match the optimal writ- ing speed. However, even if the appropria

11、te discs are used, an adequate performance may not be achieved depending on the disc manufacturer or production lot compatibility. RadioFans.CN 收音机爱 好者资料库 1 Removing a disc that remains in the drive CONN2 PCB Internal Structure Eject cam Push Continue pushing the stick in to rotate the eject cam unt

12、il the tray comes out. ? Operational Precautions 1. To avoid electric shock, be sure to turn the power off before proceeding to the following operation. 2. When taking out the disc, take care not to leave fingerprints or scratches on the recording surface of the disc. ? Operation procedure 1. Insert

13、 a thin stick with a diameter of about 1 mm into the rectangular hole on the front of the drive and push it in to rotate the eject cam. RadioFans.CN 收音机爱 好者资料库 2 PACKING INSTRUCTION LST0172-001A SCREW SS49420-B3006N 2 PACKING CASE SS35463-014 CUSHION SS35473-003 FRONT PAD SS412068 N. PLATE SS412447-

14、002 CUSHION SS35473-004 RadioFans.CN 收音机爱 好者资料库 SERVICE MANUAL MC-R434U DVD-RAM/R DRIVE No. HM001 Dec. 2003 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD. This unit is the DVD-RAM/R drive designed specially for use with the JVC MC-9000 series CD/DVD Library. Printed in Japan SPECIFICATIONS 100% recycl

15、ed paper MC-R434U MC-R434UNo. HMOO1 R R VICTOR COMPANY OF JAPAN, LIMITED is a registered Trademark owned by VICTOR COMPANY OF JAPAN, LTD. is a registered Trademark in Japan, the U.S.A., the U.K. and many other countries. R R R ? Interface Ultra 2 SCSI (80 Mbytes/s) ? Data transmission rate Sustained

16、(when the maximum sync transfer rate of the host adapter is set to 80 Mbytes/s) DVD-RAM4.15 Mbytes/s (3X max.) (Single-sided 4.7 GB or double-sided 9.4 GB) DVD-RAM1.38 Mbytes/s (1X) (Single side 2.6 GB, read only) DVD-R5.44 Mbytes/s (4X max.) (write) (Single-sided 4.7 GB or double-sided 9.4 GB) DVD-

17、R8.31 Mbytes/s (6X max.) (read) (Single-sided 4.7 GB or double-sided 9.4 GB) DVD-ROM16 Mbytes/s (Single Layer, 12X max.: CAV) CD-ROM1.5 Mbytes/s to 4.8 Mbytes/s (32X max.: CAV) CD-RMax. 1.8 Mbytes/s (write) (12X max.) CD-RWMax. 1.2 Mbytes/s (write) (8X max.) Burst(when the maximum sync transfer rate

18、 of the host adapter is set to 80 Mbytes/s) Max. 80 Mbytes/s (sync transfer) ? Average access time (1/3 stroke) DVD-R (4.7 GB for General): 145 ms DVD-ROM (Single Layer): 130 ms DVD-RAM (4.7 GB): 185 ms DVD-RAM (2.6 GB): 195 ms CD-ROM: 150 ms * The above values were measured using JVCs measuremethod

19、s. ? Buffer capacity2 Mbytes ? Additional write count (DVD-R for General, 4.7 GB) 500 times typical (when a disc and a drive are combined) 15 times typical (when a disc and multiple drives are com bined) ? Dimensions171 mm(W) x 47.5 mm(H) x 240 mm(D) ? Weight1.5 kg ? Accessories Drive locking screw

20、.x 2 ? Applicable discs DVD-R 4.7 GB (Ver. 2.0 for General Use) Recommended discs: Single-sided 4.7 GB Matsushita Electric Corp. Mitsubishi Kagaku Media Corp. Hitachi Maxell Ltd. TDK Corp. Taiyo Yuden Co., Ltd. Recommended discs: Double-sided 9.4 GB Mitsubishi Kagaku Media Corp. Hitachi Maxell Ltd.

21、DVD-R 3.95 GB (Ver. 1.0, Disc-at-once, read only) DVD-ROM DVD-RAM (Ver. 2.1, single-sided 4.7 GB, double- sided 9.4 GB) Matsushita Electric Corp. Hitachi Maxell Ltd. DVD-RAM (Ver. 1.0, single-sided 2.6 GB, read only) CD-ROM (Mode-1, Mode-2, etc.) CD-R Ricoh Company Ltd. Mitsubishi Kagaku Media Corp.

22、 Hitachi Maxell Ltd. TDK Corp. Taiyo Yuden Co., Ltd. Mitsui Chemicals, Inc. CD-RW Ricoh Company Ltd. Mitsubishi Kagaku Media Corp. ?Design and specifications are subject to change without notice. * Note 1 : It is recommended to write and read the DVD-R, DVD-RAM, CD-R and CD-RW discs using the drives

23、 of the same model. If drives of dif- ferent models are used in write and read, discs of certain manu- facturers or production lots may not manifest the full performance. * Note 2 : Only discs with a diameter of 120 mm are applicable. * Note 3 : Use DVD-R, CD-R and CD-RW discs that match the optimal writ- ing speed. However, even if the appropriate discs are used, an adequate performance may not be achieved depending on the disc manufacturer or production lot compatibility.